Part of the Lecture Notes in Computer Science book series (LNCS, volume 10239)
Cryptanalysis of Some Protocols Using Matrices over Group Rings
We address a cryptanalysis of two protocols based on the supposed difficulty of discrete logarithm problem on (semi) groups of matrices over a group ring. We can find the secret key and break entirely the protocols.
KeywordsKey exchange Symmetric groups Representation of algebras
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